/***************************************************************************
 *   Copyright (C) 2008 by Blinkov Yu. A.                                  *
 *   BlinkovUA@info.sgu.ru                                                 *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef TIMER_H
#define TIMER_H

#include <iostream>

class Timer 
{
	static double sHZ;

	double mUserTime;
	double mSysTime;
	double mRealTime;

	double mUserElapsed;
	double mSysElapsed;
	double mRealElapsed;

public:
	Timer():
      mUserTime(0.0),
      mSysTime(0.0),
      mRealTime(0.0),
      mUserElapsed(0.0),
      mSysElapsed(0.0),
      mRealElapsed(0.0) {}

	void Start();
	void Continue();
	void Stop();

	double userTime() const { return mUserElapsed; }
	double sysTime() const { return mSysElapsed; }
	double realTime() const { return mRealElapsed; }

	friend std::ostream& operator<<(std::ostream& out, const Timer &a);
};

#endif // TIMER_H
